Pennsylvania · population 8,463
Lead pipes in Downingtown, PA
21 lead or galvanized lines to replace
Most of Downingtown (population 8,463) gets its water from Downingtown Water Authority. That system reported 8 lead and 13 galvanized-requiring-replacement service lines out of 4,066, with 2,301 more of unknown material.
0.5% of Downingtown Water Authority's service lines are lead or galvanized requiring replacement, lower than the Pennsylvania average (2.9%) and lower than the national average (3.1%).
- Lead 0.2%
- Galvanized (replace) 0.3%
- Unknown 57%
- Non-lead 43%
Latest lead test for Downingtown Water Authority (Jun 2025–Sep 2025): 2 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for Downingtown Water Authority.
Water systems serving Downingtown
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Downingtown Water AuthorityMain system | 8 | 13 | 2,301 | 0.5% |
| Aqua PA UwchlanServes nearby areas | 0 | 3 | 1,562 | <0.1% |
Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.
Check your address in Downingtown
The counts above cover the whole water system. To see whether your line is lead, look up your address on Downingtown Water Authority's official inventory. Utilities had to make these public by October 16, 2024.
No map yet? Do the 2-minute scratch and magnet test.
Protect your drinking water
If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.
Choosing a lead-certified filter · Testing your water · Replacement cost
Nearby cities
- West Chester39 lead + galv. lines
- South Coatesville282 lead + galv. lines
- Coatesville282 lead + galv. lines
- Malvern4,650 lead + galv. lines
- Kennett Square1 lead + galv. lines
- Parkesburg282 lead + galv. lines
- Elversonno lead reported
- Honey Brook5 lead + galv. lines
Check another water system
Questions
Does Downingtown, PA have lead pipes?
Yes. Downingtown Water Authority, which serves Downingtown, reported 8 lead and 13 galvanized-requiring-replacement service lines, plus 2,301 of unknown material.
Who supplies water to Downingtown?
EPA's service area maps place most of Downingtown in Downingtown Water Authority's service area (PWSID PA1150026). Aqua PA Uwchlan also serves parts of the city or nearby areas.
How do I check whether my Downingtown home has a lead service line?
Search your address on Downingtown Water Authority's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.
When will lead pipes in Downingtown be replaced?
EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask Downingtown Water Authority whether your street is scheduled and whether it covers the private side.